#include <stdio.h>
#include <time.h>
void Print(int num)
{
    int timestamp =time(NULL);
    printf("result=%d,time=%d\n",num,timestamp);
}
int Add(int begin,int end)
{
    int sum=0;
    for(int i=begin;i<end;++i)
    {
        sum+=i;
    }

    return sum;
}
int main()
{
    int ret= Add(0,100);
    Print(ret);
    return 0;
}

